2026 Keystone Sprinter 3670FLS
Fifth Wheel · Wide-Body Fifth Wheel · 40.33 ft · sleeps 8
The 2026 Keystone Sprinter 3670FLS is a fifth wheel (wide-body fifth wheel). At sleeps 8, 40.33 ft long, 11,525 lbs dry, it's positioned for buyers comfortable towing with the right tow vehicle.
Floor plan
Photos of the 2026 Keystone Sprinter 3670FLS
Walkthrough video
Video courtesy of RV Video Library on YouTube.
Full specifications
Dimensions
| Length | 40.33 ft |
|---|
Weights
| Dry Weight | 11,525 lbs |
|---|
Living
| Sleeps | 8 |
|---|---|
| Bunkhouse | No |
Power & Electrical
| Shore Power | 50 A |
|---|
Amenities
| Outdoor Kitchen | No |
|---|---|
| Theater Seating | Yes |
| Residential Fridge | Yes |
| Fireplace | No |
| Four-Season | No |
| Off-Road Capable | No |
Similar Fifth Wheels to consider
Other fifth wheels in the catalog with comparable size and price.
Frequently asked questions
How many people does the 2026 Keystone Sprinter 3670FLS sleep?
The 2026 Keystone Sprinter 3670FLS sleeps 8.
How long is the 2026 Keystone Sprinter 3670FLS?
The 2026 Keystone Sprinter 3670FLS is 40.33 feet long.
What's the dry weight of the 2026 Keystone Sprinter 3670FLS?
The 2026 Keystone Sprinter 3670FLS has a dry weight of 11,525 lbs.
Where can I buy the 2026 Keystone Sprinter 3670FLS?
Pirka Wakka is a brand-agnostic catalog and doesn't sell RVs. The "Buy on Keystone" link on this page sends you to the manufacturer's product page — they'll route you to an authorized dealer.
Not sure if the 2026 Keystone Sprinter 3670FLS is right for you?
Tell Matchmaker your trip, your budget, and your tow vehicle. She'll narrow the catalog to the 2-4 RVs that actually fit — verified specs only, no upsells.
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